diff --git a/generation_config.yaml b/generation_config.yaml
index 7f9f93bd9..a0fadc971 100644
--- a/generation_config.yaml
+++ b/generation_config.yaml
@@ -1,5 +1,5 @@
 gapic_generator_version: 2.42.0
-googleapis_commitish: 7976ffadc0f21ee9149708c0c97ef000e15de1eb
+googleapis_commitish: a3528c3c840f3382747a64e8ede3b2e974053d7f
 libraries_bom_version: 26.42.0
 libraries:
   - api_shortname: pubsub